What is this???????

[tskinner]

I noticed this growing out of my zoo's mat.  It has a bunch of tenticals and is the sale purple color as the zoo are when there are closed.  Any idea what this is?


Tyson

[Funkmotor]

Aiptasia.

[greddy]

possibly a majano or other type of bad anemone ? I'd zap/eliminate it to be safe.